Guitar amplifier



FIG. 1 is a prospective view of the guitar amplifier.

FIG. 2 is a front view of the guitar amplifier of FIG. 1.

FIG. 3 is a top view of the guitar amplifier of FIG. 1.

FIG. 4 is a bottom view of the guitar amplifier of FIG. 1.

FIG. 5 is a side view of the guitar amplifier of FIG. 1.

FIG. 6 is a further side view of the guitar amplifier of FIG. 1; and,

FIG. 7 is a rear view of the guitar amplifier of FIG. 1. 

The ornamental design for a guitar amplifier, as shown and described. 